Google Home Hub TTS

Hoping this is the right section and maybe someones got experience or something. Recently picked up a google home hub with the deals going on and love everything about it. except when i use TTS and it uses google cast to send that to the devices, for the minis its fine but the hub just shows the cast icon on a black screen. Is there a way to get this to display HASS logo or something, or gonna require a pull request?